<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>test</title>
</head>
<body>
<form action="/login" method="post">
    <input name="username">
    <input name="password">
    <button type="submit">登录</button>
</form>
<script>
</script>
</body>
</html>